10311231131 has 8 divisors (see below), whose sum is σ = 10793494944. Its totient is φ = 9831796480.

The previous prime is 10311231121. The next prime is 10311231137. The reversal of 10311231131 is 13113211301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10311231131 is a prime.

It is a super-2 number, since 2×10311231131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311231137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699830 + ... + 714411.

It is an arithmetic number, because the mean of its divisors is an integer number (1349186868).

Almost surely, 2^10311231131 is an apocalyptic number.

10311231131 is a deficient number, since it is larger than the sum of its proper divisors (482263813).

10311231131 is a wasteful number, since it uses less digits than its factorization.

10311231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414581.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 10311231131 its reverse (13113211301), we get a palindrome (23424442432).

The spelling of 10311231131 in words is "ten billion, three hundred eleven million, two hundred thirty-one thousand, one hundred thirty-one".